1.Easy assembly and convenient to replacement 2.Spring thermal element with good shock-proof performance 3.Wide measuring rang
Application
It is usually connected with displaymeter, recording meter and computer, etc. to directly measure temperature of liquid, vapor, gas and solid surface ranging from 0C to 1300C during various production process.
Measuring range and tolerance
Name | Type | Graduation | Tolerance class | ||||||
Tolerance value | Measuring range C | Tolerance value | Measuring range C | ||||||
NiCr-NiSi | WRN | K | ± 1.5C | -40~+375 | ± 2.5C | -40~+333 | |||
± 0.004|t| | 375~1000 | ± 0.0075|t| | 333~1200 | ||||||
NiCrSi-NiSi | WRM | N | ± 1.5C | -40~+375 | ± 2.5C | -40~+333 | |||
± 0.004|t| | 375~1000 | ± 0.0075|t| | 333~1200 | ||||||
NiSi- konstantan | WRE | E | ± 1.5C | -40~+375 | ± 1.5C | -40~+333 | |||
± 0.004|t| | 375~800 | ± 0.004|t| | 333~900 | ||||||
Fe- konstantan | WRF | J | ± 1.5C | -40~+375 | ± 1.5C | -40~+333 | |||
± 0.004|t| | 375~750 | ± 0.004|t| | 333~750 | ||||||
Cu- konstantan | WRC | T | ± 1.5C | -40~+125 | ± 1.0C | -40~+133 | |||
± 0.004|t| | 125~350 | ± 0.0075|t| | 133~350 | ||||||
PtRh30-Pt6 | WRR | B | ± 1.3C | 0~1800C | ± 2.5C | ||||
PtRh13-Pt | WRQ | R | ± 1.5C | 0~1600C | |||||
PtRh10-Pt | WRP | S | ± 1.5C | 0~1600C | |||||
Type naming method
W | Temperature instrument | |||||||
| R | thermocouple | ||||||
| Thermal element material | |||||||
N | NiCr-CuSi | |||||||
M | NiCrSi-NiSi | |||||||
E | NiCr-CuSi | |||||||
C | Cu-CuNi | |||||||
F | Fe-CuNi | |||||||
| Filament | |||||||
Blank simplex | ||||||||
2 | Duplex | |||||||
| Mounting &fixing | |||||||
1 | Without fixing device | |||||||
2 | Threaded connector | |||||||
3 | Movable flange | |||||||
4 | Fixed flange | |||||||
5 | Elbow tube connection | |||||||
6 | Threaded cone connection | |||||||
7 | Straight tube connection | |||||||
8 | Fixed threaded tube connection | |||||||
9 | Movable threaded tube connection | |||||||
| Junction box | |||||||
2 | Anti-spray type | |||||||
3 | Water-proof type | |||||||
| Protection tube diameter | |||||||
0 | Φ16 | |||||||
1 | Φ20 | |||||||
2 | Φ16 high Al content tube | |||||||
3 | Φ20 high Al content tube | |||||||
| Measuring end | |||||||
G | Variable cross section | |||||||
W | R | N | 2 | 2 | 3 | 1 | G | Model example |
assembly thermocouple
